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PartsTable / COMPONENT / H45MMM67005
H45MMM67005 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1095 OVERALL, body_length: 0.750 INCHES NOMINAL IN, design_type: SINGLE CENTRALLY LOCATED HOLE, flange_height: 0.250 INCHES NOMINAL IN, hole_diameter: 0.266 INCHES NOMINAL IN, heat_treatment: HOT ROLLED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-554-9623, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
H45MMM67005
NSN: 4820-00-554-9623
FSC: 4820
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
materialSTEEL COMP 1095 OVERALL
body_length0.750 INCHES NOMINAL IN
design_typeSINGLE CENTRALLY LOCATED HOLE
flange_height0.250 INCHES NOMINAL IN
hole_diameter0.266 INCHES NOMINAL IN
heat_treatmentHOT ROLLED
overall_length0.488 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
first_end_styleSQUARE
flange_diameter3.250 INCHES NOMINAL IN
outside_diameter0.562 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.0625 INCHES NOMINAL IN
NSN4820-00-554-9623
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H45MMM67005 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2-478Interchangeable
interchangeable cross-reference
interchangeable
P425GASKETInterchangeable
interchangeable cross-reference
interchangeable
D15-439EPC160-161-176-177Interchangeable
interchangeable cross-reference
interchangeable
91700919Interchangeable
interchangeable cross-reference
interchangeable
543BPC17Interchangeable
interchangeable cross-reference
interchangeable
DB7907Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H45MMM67005?
H45MMM67005 is a VALVE,SAFETY RELIEF.
What parts can replace H45MMM67005?
There are 16 known substitutes for H45MMM67005: 2-478, P425GASKET, D15-439EPC160-161-176-177 and 13 more. Substitute compatibility should be verified for your specific system.
Is H45MMM67005 still available?
H45MMM67005 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026